6种典型商用纯铁和钢材在3.5%NaCl溶液中的初期腐蚀行为

杨震宇, 基超, 郭丽雅, 徐闰, 彭伟, 赵洪山, 韦习成, 董瀚

Initial Corrosion Behavior of Several Pure Irons and Steels in 3.5%NaCl Solution

YANG Zhenyu, JI Chao, GUO Liya, XU Run, PENG Wei, ZHAO Hongshan, WEI Xicheng, DONG Han

图7 6种实验材料在3.5%NaCl溶液中浸泡1 h并除锈后的SEM图和3D轮廓仪图

Fig.7 SEM images (a) and 3D morphologies (b) of Q235B steel (a1, b1), SPA-H steel (a2, b2), 304L stainless steel (a3, b3), 3N2 pure iron (a4, b4), 4N2 pure iron (a5, b5) and 5N2 pure iron (a6, b6) test materials after immersion in 3.5%NaCl solution for 1 h and then rust removal